- Britannica Escolar Primaria-
Discover the leading knowledge-building resource that is universally trusted for accurate and age-appropriate content in Spanish. New features make it more valuable than ever for native Spanish speakers, bilingual students, and students learning Spanish.
- Britannica School-
A source for all grades (Pre-K-12) and all reading abilities. Available at three levels--elementary, middle, and high.
- Encyclopedia Britannica-
Three sites in one: Children, Young Adults, and the Reference Center for older students and adults. Choose the age-appropriate level that works best to conduct research, complete homework assignments, and work on special projects. In Library At Home
- World Book Encyclopedia-
Designed to meet the curriculum needs of elementary through high-school students.